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EFFECTS OF LEAD AND CHROMIUM ON GROWTH OF LEMNA MINOR L.

A study was conducted to know the effects of different concentration of lead and choromium on morphological, anatomical, physiological and  biochemical features in Lemna minor L. The results of the experiment showed the possibility of in purifying the waste water. The favourable changes in chlorophyll content, protein content, pH and moisture content at 80ppm, 160 ppm and 240 ppm for lead showed that can with stand the heavy metal pollution such as lead up to these limits. But for chromium the results indicate that can withstand the heavy metal pollution up to a particular concentration such as 225ppm. Lemna minor L. 

 





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